body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
    monospace;
}

.container {
  text-align: center
}

/* 内容里面条目的样式*/
.act-item {
  list-style: none;
  float: left;
  width: 193px;
  height: 278px;
  margin: 0 16px 20px 0;
  overflow: hidden;
  position: relative;
}

/* 条目里面图片的样式*/
.act-item img {
  display: block;
  width: 193px;
  height: 207px;
}

/* 条目里面对应标题的样式*/
.act-item>p {
  width: 100%;
  overflow: hidden;
  box-sizing: border-box;
  padding: 6px 10px 4px 10px;
  font-size: 14px;
  color: #424242;
  line-height: 18px;
  text-align: left;
}

/* 条目里面最下面a标签的样式*/
.overtime {
  position: absolute;
  font-size: 12px;
  color: #1da6ba;
  left: 10px;
  bottom: 6px;
}

/* 导航栏的样式*/
.nav {
  position: relative;
  cursor: pointer;
  float: left;
  width: auto;
  min-width: 40px;
  height: 37px;
  overflow: visible;
  color: #676767;
  font-size: 16px;
  letter-spacing: 1px;
  line-height: 35px;
  text-align: center;
  text-decoration: none;
  margin-right: 40px;
}

/* 导航栏选中的样式*/
.nav-active {
  font-weight: 700;
  color: #1da6ba;
}